POWR vs. AIS

Last updated Jun 17, 2026

POWR (iShares U.S. Power Infrastructure ETF) and AIS (VistaShares Artificial Intelligence Supercycle ETF) are both exchange-traded funds - POWR is a Utilities Equities fund actively managed by iShares, while AIS is a Technology Equities fund actively managed by VistaShares. Both are actively managed. Over the past year, POWR returned 19.76% vs 192.86% for AIS. At a 0.43 correlation, their price movements are largely independent. POWR charges 0.40%/yr vs 0.75%/yr for AIS.

Performance

POWR vs. AIS - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in iShares U.S. Power Infrastructure ETF (POWR) and VistaShares Artificial Intelligence Supercycle ETF (AIS). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, POWR achieves a 17.16% return, which is significantly lower than AIS's 106.70% return.

POWR

• 1D: 0.22%
• 1M: -0.00%
• YTD: 17.16%
• 6M: 16.40%
• 1Y: 19.76%
• 3Y*: 10.88%
• 5Y*: 15.19%
• 10Y*: 8.71%

AIS

• 1D: -3.95%
• 1M: 15.11%
• YTD: 106.70%
• 6M: 116.38%
• 1Y: 192.86%
• 3Y*: —
• 5Y*: —
• 10Y*: —

*Multi-year figures are annualized to reflect compound growth (CAGR)

POWR vs. AIS - Yearly Performance Comparison

	2026 (YTD)	2025	2024
POWR iShares U.S. Power Infrastructure ETF	17.16%	10.81%	-6.45%
AIS VistaShares Artificial Intelligence Supercycle ETF	106.70%	58.35%	-4.74%

Correlation

The correlation between POWR and AIS is 0.45, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.45
Correlation (All Time) Calculated using the full available price history since Dec 3, 2024	0.43

POWR vs. AIS - Sectors Allocation Comparison

Sectors	POWR	AIS
Utilities	45.6%	2.6%
Industrials	33.0%	7.1%
Energy	11.0%	-
Technology	9.5%	88.4%
Basic Materials	1.0%	-
Communication Services	-	-
Consumer Cyclical	-	-
Consumer Defensive	-	-
Financial Services	-	-0.0%
Healthcare	-	-
Real Estate	-	-

Return for Risk

POWR vs. AIS — Risk / Return Rank

Compare risk-adjusted metric ranks to identify better-performing investments over the past 12 months.

POWR

POWR Risk / Return Rank: 40
POWR Sharpe Ratio Rank: 33
POWR Sortino Ratio Rank: 32
POWR Omega Ratio Rank: 31
POWR Calmar Ratio Rank: 58
POWR Martin Ratio Rank: 49

AIS

AIS Risk / Return Rank: 96
AIS Sharpe Ratio Rank: 98
AIS Sortino Ratio Rank: 94
AIS Omega Ratio Rank: 94
AIS Calmar Ratio Rank: 98
AIS Martin Ratio Rank: 97

The rank (0–100) shows how this investment's returns compare to the risk taken. Higher = better. Based on the past 12 months of data, combining Sharpe, Sortino, and other metrics used by quantitative funds and institutional investors.

POWR vs. AIS - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for iShares U.S. Power Infrastructure ETF (POWR) and VistaShares Artificial Intelligence Supercycle ETF (AIS). Risk-adjusted metrics are performance indicators that assess an investment's returns in relation to its risk, enabling a more accurate comparison of different investment options.

Values are calculated on a 1-year rolling basis and updated daily. Risk-adjusted metrics are more stable over longer periods — use the period switch above to explore them.

	POWR	AIS	Difference
Sharpe ratio: Return per unit of total volatility	1.18	4.86	-3.68
Sortino ratio: Return per unit of downside risk	1.69	4.57	-2.88
Omega ratio: Gain probability vs. loss probability	1.21	1.65	-0.44
Calmar ratio: Return relative to maximum drawdown	2.80	12.25	-9.45
Martin ratio: Return relative to average drawdown	7.89	37.78	-29.90

POWR vs. AIS - Sharpe Ratio Comparison

The current POWR Sharpe Ratio is 1.18, which is lower than the AIS Sharpe Ratio of 4.86. The chart below compares the historical Sharpe Ratios of POWR and AIS, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

Drawdowns

POWR vs. AIS - Drawdown Comparison

The maximum POWR drawdown since its inception was -65.98%, which is greater than AIS's maximum drawdown of -32.78%. Use the drawdown chart below to compare losses from any high point for POWR and AIS.

Drawdown Indicators

	POWR	AIS	Difference
Max Drawdown Largest peak-to-trough decline	-65.98%	-32.78%	-33.20%
Max Drawdown (1Y) Largest decline over 1 year	-7.09%	-15.84%	+8.75%
Max Drawdown (3Y) Largest decline over 3 years	-23.14%	—	—
Max Drawdown (5Y) Largest decline over 5 years	-25.09%	—	—
Max Drawdown (10Y) Largest decline over 10 years	-63.42%	—	—
Current Drawdown Current decline from peak	-2.59%	-5.45%	+2.86%
Average Drawdown Average peak-to-trough decline	-18.11%	-5.50%	-12.61%
Ulcer Index Depth and duration of drawdowns from previous peaks	2.51%	5.13%	-2.62%

Volatility

POWR vs. AIS - Volatility Comparison

The current volatility for iShares U.S. Power Infrastructure ETF (POWR) is 6.05%, while VistaShares Artificial Intelligence Supercycle ETF (AIS) has a volatility of 21.21%. This indicates that POWR experiences smaller price fluctuations and is considered to be less risky than AIS based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	POWR	AIS	Difference
Volatility (1M) Calculated over the trailing 1-month period	6.05%	21.21%	-15.16%
Volatility (6M) Calculated over the trailing 6-month period	12.71%	34.46%	-21.75%
Volatility (1Y) Calculated over the trailing 1-year period	16.83%	39.97%	-23.14%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	23.15%	40.15%	-17.00%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	25.60%	40.15%	-14.55%

POWR vs. AIS - Expense Ratio Comparison

POWR has a 0.40% expense ratio, which is lower than AIS's 0.75% expense ratio.

Dividends

POWR vs. AIS - Dividend Comparison

POWR's dividend yield for the trailing twelve months is around 5.50%, while AIS has not paid dividends to shareholders.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
AIS VistaShares Artificial Intelligence Supercycle ETF	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%
POWR iShares U.S. Power Infrastructure ETF	5.50%	7.56%	4.36%	4.16%	4.82%	3.94%	3.96%	5.71%	3.17%	3.11%	2.75%	3.42%

Frequently Asked Questions

Can I hold both POWR and AIS in my portfolio?

POWR and AIS have a correlation of 0.45, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, POWR or AIS?

AIS has higher volatility (21.21%) compared to POWR (6.05%). In terms of maximum drawdown, POWR dropped -65.98% vs AIS's -32.78%.

Which ETF is better, POWR or AIS?

On 1-year performance, AIS leads with 192.86% vs 19.76% for POWR. On fees, POWR is cheaper at 0.40% per year. On volatility, POWR has been the lower-risk option at 6.05%. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, POWR or AIS?

Over the 1-year period, AIS has performed better with a 192.86% return vs 19.76%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, POWR or AIS?

POWR is cheaper with a 0.40% expense ratio, compared with 0.75% for AIS.

Which ETF pays a higher dividend yield, POWR or AIS?

POWR has the higher dividend yield at 5.50%, compared with 0.00% for AIS.

What is the main difference between POWR and AIS?

POWR is categorized as Utilities Equities, while AIS is Technology Equities. They also come from different issuers: iShares and VistaShares. Their fees differ too: 0.40% for POWR and 0.75% for AIS.

Which has better risk-adjusted returns?

AIS currently has the higher Sharpe Ratio (4.86 vs 1.18), meaning it's delivered slightly more return per unit of risk over the trailing 12 months. However, this ranking shifts over time - use the Risk/Return Score above for a more comprehensive view that combines Sharpe, Sortino, and other measures used by quantitative funds.